Etymology and distribution of 三古谷.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
↑オフライン検索できるアプリもどうぞ
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

三古谷さんの分布

Population

Distributions by prefecture
都道府県分布数図
Distributions by city
市区町村分布数図
Distributions by subregion
小地域分布数図
Whole Japan Prefectures
レベル3 1 Toukyou-to(About 30)
2 Tochigi-ken(About 10)
3 Shizuoka-ken(Very rare)
3 Saitama-ken(Very rare)
3 Hokkaidou(Very rare)
PopulationAbout 50
Ranking42,658
Rank by city
1 Kanuma-shi(About 10)
2 Chiyoda-ku(About 10)
2 Koganei-shi(About 10)
4 Oume-shi(Very rare)
4 Akishima-shi(Very rare)
4 Kodama-gun Misato-machi(Very rare)
4 Sapporo-shi Kita-ku(Very rare)
4 Itou-shi(Very rare)
Rank by subregion
1 東京都 千代田区 神田小川町(About 10)
1 東京都 小金井市 前原町(About 10)

Distributions of ratios

Distributions of ratios by prefecture
都道府県分布比率図
Distributions of ratios by city
市区町村分布比率図
Distributions of ratios by subregion
小地域分布比率図
Whole Japan Prefectures
RatiosVery rare 1 Tochigi-ken(0.000665%)
2 Toukyou-to(0.000299%)
3 Shizuoka-ken(0.000111%)
4 Saitama-ken(Very rare)
5 Hokkaidou(Very rare)
Rank by city
1 Kodama-gun Misato-machi(0.0335%)
2 Chiyoda-ku(0.0307%)
3 Kanuma-shi(0.0123%)
4 Koganei-shi(0.0108%)
5 Akishima-shi(0.00482%)
6 Itou-shi(0.00439%)
7 Oume-shi(0.00356%)
8 Sapporo-shi Kita-ku(0.0019%)
Rank by subregion

マッポン! で分布を見る